Home / 40,836.11-61,241.20-13,127.63

Finding the Fourth Proportional to 40,836.11, 61,241.20 and 13,127.63

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Solution

The fourth proportional to 40,836.11, 61,241.20 and 13,127.63 is: 19,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.11 : 61,241.20 = 13,127.63 : x
  2. Step 2: Convert to fraction form
    40,836.11/61,241.20 = 13,127.63/x
  3. Step 3: Cross multiply
    40,836.11x = 61,241.20 × 13,127.63
  4. Step 4: Simplify right side
    40,836.11x = 803,951,475.33
  5. Step 5: Solve for x
    x = 803,951,475.33/40,836.11
  6. Step 6: Final answer
    x = 19,687.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.